Model of bell crank lever used in pumping machiner

Made:
Unknown in unknown place

Model of bell crank lever used in pumping machinery; made from iron.

Details

Category:
Kinematics
Object Number:
1898-73
Materials:
iron and brass
Measurements:
overall (estimate): 9.4488 x 12.9921 x 1.378 in.; 240 x 330 x 35 mm
type:
model - bell crank lever
credit:
Museum of Geology, Jermyn Street